BKI_DichVuMatDat.NghiepVu.f312_dang_ky_giam_tru_nguoi_phu_thuoc_v2.check_input_date C# (CSharp) Method

        private bool check_input_date()
        {
            if(m_dat_tu_thang.EditValue == null && m_dat_den_thang.EditValue == null)
            {
                return false;
            }
            return true;
        }